Meet the perfected B9 S4 soundtrack. Signature AWE howl, delivered. The Touring Edition is the sophisticated member of the B9 S4 exhaust family. The Touring Edition Exhaust removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators (and electronic valve simulators). This solution provides for a perfect, signature AWE experience: civil within the cabin while cruising, yet all the pops and burbles during acceleration and downshifts.

• Specifically engineered downpipe resonators for use with aftermarket catalysts available separately
• Handcrafted from dual 2.5” CNC mandrel-bent U.S.-sourced .065” wall T304L stainless steel
• Post-catalyst downpipes and precision-engineered x-pipe included in all editions
• Proudly engineered, designed, and manufactured in-house at AWE, in the USA
• Features AWE’s proprietary drone-cancelling solution, 180 Technology®
• Less is more: clean, straight-through design maximizes performance
• Max gains of 16 hp and 17 lb-ft of torque at the crank (exhaust)
• Direct bolt-on system, factory-like install simplicity
• Compatible with standard and sport differentials
• Featuring the AWE Lifetime Exhaust Warranty
• No Check Engine Light - guaranteed
• Perfect fitment - guaranteed
• 102mm double-walled tips

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